50 lines
999 B
C
50 lines
999 B
C
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/*++
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Copyright (c) 1993 Weitek Corporation
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Module Name:
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vga.h
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Abstract:
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This module contains VGA specific definitions for the Weitek P9
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miniport device driver.
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Environment:
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Kernel mode
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Revision History may be found at the end of this file.
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--*/
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//
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// VGA Miscellaneous Output Register
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//
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#define MISCIN 0x0c // Misc Output Read Register
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#define MISCOUT 0x02 // Misc Output Write Register
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#define MISCC 0x04 //
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#define MISCD 0x08
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#define SEQ_INDEX_PORT 0x04
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#define SEQ_DATA_PORT 0x05
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#define SEQ_MISC_CRLOCK 0x20
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#define SEQ_OUTCNTL_INDEX 0x12
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#define SEQ_MISC_INDEX 0x11
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#define VESAVideoSelectRegIndex 0x012
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#define VLPolarity 0x20
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#define VLEnable 0x10
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#define VGA_FREQ 2832 // Default VGA Video Freq in dHz
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//
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// Base address of VGA memory range and video memory size.
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//
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#define MEM_VGA_ADDR 0xA0000
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#define MEM_VGA_SIZE 0x20000
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